Pulley 7091080164 - GG25 cast iron Suitable Models: NP13
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Pulley

OEM Part Numbers Compatible: 7091080164

Pulley for Metso NP13 impact crusher, OEM No. 7091080164. Standard-duty design matched to OEM specifications. Made of GG25 cast iron with hardness 160-220 HB. Weight: 250 kg. Dimensions: Ø1000 x 300 mm. Suitable for crushing limestone, coal and gypsum under standard feed conditions.

Material Grade
GG25 cast iron
Weight
250 kg
Hardness
160-220 HB
Dimensions
Ø1000 x 300 mm
Certification
CE / ISO 9001
Lead Time
45 days
Warranty
12 months

Suitable Model

NP13

Application

Main V-belt drive pulley mounted on the crusher main shaft, transmitting power from the motor through the set of V-belts to the rotor.

Installation Notes

Mount centrally on the shaft, align with the motor pulley within tolerance; tension the V-belts to OEM deflection and re-check after run-in.

FAQ

What material is the drive pulley?
It is a GG25 grey cast iron pulley with machined V-grooves, balanced for high-speed crusher duty.
How do I tension the V-belts correctly?
Adjust motor position on the rails so belt deflection under a defined force matches the OEM value; never pry belts onto grooves with tools.
How long should pulleys last?
With correct alignment and tension, pulleys are long-life items; inspect grooves for wear and belt slip at each major service.

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Pulley · 7091080164 · NP13
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